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Creating a "DMG installer" for OS X

A DMG Installer is convenient way to provide end-users a simple way to install an application bundle. They are basically a folder with a shortcut to the Applications directory but they can be customized with icons, backgrounds, and layout properties. A DMG file (.dmg) is a Mac OS X Disk Image file and it is used to package files or folders providing compression, encryption, and read-only to the package.

Creating the DMG file

Disk Utility

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VERSION "BMW_E90_0.0.8"

NS_ : 
	NS_DESC_
	CM_
	BA_DEF_
	BA_
	VAL_
	CAT_DEF_
	CAT_

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## Purge macOS Time Machine's Local Snapshots
## By Nicholas Berlette   <github.com/nberlette>

## Usage:
## purge_local_snapshots [-q|--quiet]

function purge_local_snapshots() {

    quiet=$(echo ${1,,} | grep "\-q")
    snapshots=$(tmutil listlocalsnapshotdates | grep "-")

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#!/bin/bash

# hex2bash.sh 
# rudamentary bash function to format hex colors into RGB form
# and output them as xterm-256color esc-code, with samples :D

# 2021 Nick Berlette
# https://github.com/nberlette

function hex2bash {

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/* dbc-patterns.js */

const VER_REGEX = /^VERSION "(.*)"/
const ECU_REGEX = /^BU_:(.*)/
const MSG_REGEX = /^BO_ (\w+) (\w+) *: (\w+) (\w+)/
const SIG_REGEX = /^SG_ (\w+) : (\d+)\|(\d+)@(\d+)([+|-]) \(([0-9.+-eE]+),([0-9.+-eE]+)\) \[([0-9.+-eE]+)\|([0-9.+-eE]+)\] "(.*)" (.*)/
const SGM_REGEX = /^SG_ (\w+) (\w+) *: (\d+)\|(\d+)@(\d+)([+|-]) \(([0-9.+-eE]+),([0-9.+-eE]+)\) \[([0-9.+-eE]+)\|([0-9.+-eE]+)\] "(.*)" (.*)/

const VAL_REGEX = /^VAL_ (\w+) (\w+) (.*);?/
const VAL_TABLE_REGEX = /^VAL_TABLE_ (\w+) (.*);?/

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# Based on articles:
# https://ruhighload.com/%D0%9A%D1%8D%D1%88%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D1%81+nginx
# https://wiki.enchtex.info/practice/nginx/cache
# https://gist.github.com/yanmhlv/5612256
# https://nginx.org/en/docs/http/ngx_http_fastcgi_module.html
# https://blog.runcloud.io/2017/10/28/nginx-caching-tutorial-wordpress.html
# https://www.digitalocean.com/community/tutorials/how-to-setup-fastcgi-caching-with-nginx-on-your-vps
# https://easyengine.io/wordpress-nginx/tutorials/single-site/fastcgi-cache-with-purging/

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DBC Specification

Format description

<...> Required field
<A|B> A or B required
[...] Optional field
[A|B] A or B optional

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/* * * * * * * * * * * * * * * * * * * * * * * * *
  SASS string functions:
  camelCase, kebabCase, titleCase, toLower, etc.
 -------------------------------------------------
   2021 Nicholas Berlette - https://git.io/Js3HD
 * * * * * * * * * * * * * * * * * * * * * * * * */

 @use "sass:string";
/*
  upperCase($string)

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/*!
    MIT License.
    Algorithms compiled by Nicholas Berlette <https://berlette.com>,
    originally by Feross Aboukhadijeh <https://feross.org/opensource>
*/
const crypto = require('crypto')
const allowedMethods = ['sha1', 'sha256', 'md5']

async function hash (method = 'sha256', buf, cb = null) {
  if (typeof method === 'string' && allowedMethods.includes(method)) {